Comparacion de aceites esenciales de Matricaria recutita L. de origen diversoRaal, Ain; Arak, Elmar; Orav, Anne; Ivask, KaireArs pharmaceutica2004 / 2, p. 159-165 https://www.ugr.es/~ars/abstract/44-159-03.pdf

Comparison of essential oil content of Matricaria recutita L. from different originsRaal, Ain; Arak, Elmar; Orav, Anne; Ivask, KaireArc pharmatica2003 / 1, p. 159-165

Composition of essential oil of aerial parts of Chamomilla suaveolens from EstoniaOrav, Anne; Sepp, Janne; Kailas, Tiiu; Müürisepp, Aleksander-Mati; Arak, Elmar; Raal, AinNatural product communications2010 / 1, p. 133-136

Content and composition of the essential oil of Chamomilla recutita (L.)Rauschert from some European countriesOrav, Anne; Raal, Ain; Arak, ElmarNatural product research2010 / 1, p. 48-55

Content of essential oil, terpenoids and polyphenols in commercial chamomile (Chamomilla recutita L. Rauschert) teas from different countriesRaal, Ain; Orav, Anne; Püssa, Tõnu; Valner, Catri; Malmiste, Birgit; Arak, ElmarFood chemistry2012 / p. 632-638 : ill https://www.sciencedirect.com/science/article/pii/S0308814611013008

Eesti koriandri, salvei ja teekummeli eeterliku õli koostise võrdlus nende välismaiste analoogidegaOrav, Anne; Kailas, Tiiu; Jeršova, M.; Raal, Ain; Arak, ElmarXXVIII Eesti keemiapäevad : teaduskonverentsi ettekannete teesid = 28th Estonian Chemistry Days : abstracts of scientific conference2002 / lk. 97

Volatile constituents of Matricaria matricaroidesOrav, Anne; Kailas, Tiiu; Kann, JüriJournal of essential oil research1999 / p. 243-245